Degradation of PBS-based copolymers and impacts on the growth of winter wheat | PBS哄辫╃瑙ｆу跺害垮奖绌
2011
Zhang Min, Shaanxi University of Science and Technology, Xian(China) | Xing Yonglei, Shaanxi University of Science and Technology, Xian(China) | Su Kangyu, Shaanxi University of Science and Technology, Xian(China)
[Objective] The degradation properties of PBS-based copolymers and impacts on the growth of winter wheat were studied. [Method] Seeds of winter wheat were sown and cultivated in soil, and mixed with equal amounts of PBS, PBS-co-HS and PBS-co-BA, to investigate the degradation of polymers in soil and effects of the degradation intermediates and degradation products on seed germination and the growth of winter wheat during the continuous process of degradation. [Result] The results showed that the copolymers had better biodegradation properties than PBS in Lou Soil in Shaanxi Province under the same condition; polymer treatments had not affected the germination percentage and plant height of the winter wheat but contributed to the improvement of plant biomass. [Conclusion] These results suggested that the degradation and degradation products of PBS, PBS-co-HS and PBS-co-BA had not affected the growth of plants in soil environment for temporary.
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